Mini Split Repair Near Hopkinton, MA

Reliable, High-Quality Mini Split Repair to Restore Comfort Fast

Mini Split Repair and Hopkinton MA’s Trusted Heating & Cooling Professionals — Your Local Experts

When your ductless system acts up, SumZero Energy Systems delivers Mini Split Repair that finds the root cause and fixes it right the first time. Our certified technicians run a complete diagnostic—reading error codes, testing electrical components and sensors, measuring refrigerant pressures, inspecting coils, and verifying airflow—to resolve common issues like refrigerant leaks, frozen or dirty coils, clogged condensate drains, faulty fan motors, control board failures, thermostat or remote problems, unusual noise, and low cooling or heating output. We repair leaks, evacuate and recharge to spec, replace worn parts with quality components, clean and sanitize indoor and outdoor units, calibrate controls, and confirm performance with temperature-split and amperage tests. Beyond repairs, we offer comprehensive services including preventive maintenance and tune-ups, new mini split installations and replacements, multi-zone design and optimization, heat pump support, indoor air quality solutions, and smart thermostat integration—delivered with exceptional service, quality craftsmanship, transparent communication, and respectful care for your home. We act quickly to restore comfort, extend system life, and lower energy costs, proudly and professionally serving the Hopkinton, MA area.